Code Quality Jobs in the UK

801 to 825 of 2,527 Code Quality Jobs in the UK

Javascript Developer

Northern Ireland, United Kingdom
Hybrid / WFH Options
Ocho
FinOps workflows into usable, intuitive interfaces in collaboration with product and backend teams • Design and optimize API interactions using REST and GraphQL • Champion frontend performance through techniques such as code splitting , lazy loading , and caching • Prioritize security , implementing best practices in frontend/backend data flows • Contribute to UI/UX design through feedback, prototyping, and iteration • Maintain high … standards in code quality , testing, and CI/CD integration • Stay up to date with modern frontend trends and drive continuous improvement • Contribute to architectural decisions and shape the future of the frontend platform Essential Criteria: • Strong commercial experience building frontend applications with React , TypeScript , JavaScript (ES6+) , HTML5 , and CSS3 • Proven ability to create high-performance, responsive More ❯
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QA Engineer - Graduates considered

Cambridge, Cambridgeshire, United Kingdom
RedTech Recruitment Ltd
uncover overlooked edge cases and user workflows. Crafting comprehensive manual test sets to guarantee broad coverage. Identifying testing areas ripe for improvement. Vigilantly tracking metrics to gauge the quality of each release, assessing its performance on production systems. Formulating tests to validate the product's end-to-end functionality Understanding and addressing defects as they arise, contributing to …/Quality Assurance Engineer/QA Analyst/Test Engineer/Software Tester/QA Tester/Test Automation Engineer/Quality Engineer/Software Quality Analyst/Test and QA Specialist/Release Test Engineer/Graduate/Junior/Entry-Level ******************************************************************************** RedTech Recruitment Ltd focus on finding roles for Engineers and Scientist. More ❯
Employment Type: Permanent
Salary: £35000 - £40000/annum Excellent Benefits
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Data Engineer

Greater London, England, United Kingdom
Kharon
which leverages open-source intelligence, data mining, network analysis, and machine learning to generate unparalleled insights on networks engaged in illicit financial activity. Key focus areas include system architecture, code quality, automation, and observability. To the right person, this will be the perfect kind of challenge. Our mission is compelling, our product is powerful, and we’re More ❯
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Finance/Treasury Data Engineer

London, England, United Kingdom
CoinDesk Data
through test automation, compute analysis, and performance profiling. Actively research and propose open-source and vendor solutions that can accelerate the achievement of business objectives. Maintain high standards for code quality, organization, and adherence to best practices. Work effectively as part of a global team spanning Hong Kong, New York, and London. Qualifications A pragmatic technologist with More ❯
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Lead QA Automation Engineer (Wales)

Bridgend, Mid Glamorgan, Wales, United Kingdom
Sanderson Recruitment
Quality Engineering Automation … Lead Permanent/Hybrid/South Wales Overview: We are seeking a Quality Engineering Automation Lead to drive automation initiatives, architect scalable testing frameworks, and enhance software quality in a fast-paced, technology-driven environment. This role requires strong expertise in test automation, CI/CD integration, and mentoring teams in best practices. Essential Technology & Experience … a Service, ensuring adoption across teams. * Integrate automated testing into CI/CD pipelines for efficient execution. * Mentor teams on automation best practices and upskill internal resources. * Define quality metrics, measure automation effectiveness, and provide reporting. * Troubleshoot test failures, optimise test suites, and enhance automation performance. * Collaborate with stakeholders to define and execute automation strategies. Reasonable Adjustments: Respect More ❯
Employment Type: Permanent
Posted:

Javascript Developer

Durham, England, United Kingdom
Hybrid / WFH Options
Real Recruitment
engineering team. With a focus on delivering intuitive, high-performance financial applications, this role offers a fantastic opportunity to be part of a forward-thinking company that values clean code, modern tech, and user-first design. The business supports hybrid working with flexibility for remote days and occasional team collaboration days at their Sunderland office. Key Responsibilities Develop and … design and product teams to implement user-friendly features and experiences Integrate with RESTful APIs and collaborate with back-end developers to deliver end-to-end solutions Contribute to code reviews, uphold development best practices, and maintain high code quality Help troubleshoot performance issues and suggest front-end improvements Stay up to date with industry trends … as Redux, Zustand, or Context API Comfortable consuming APIs and handling asynchronous data Version control using Git/GitHub Strong attention to detail and ability to write clean, modular code Desirable Skills (Not Essential) Experience with TypeScript Knowledge of Jest or React Testing Library Familiarity with performance optimisation and accessibility Background in financial services or previous work in FinTech More ❯
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Senior Frontend Engineer | London, UK | Hybrid

London, England, United Kingdom
Hybrid / WFH Options
AJ Bell
design mock-ups and wireframes into clean, maintainable React code. Optimise components for maximum performance across various devices and browsers. Write high-quality, maintainable, and efficient JavaScript code, prioritising performance optimisation. Collaborate closely with designers and back-end engineers to ensure a seamless user experience. Implement a test-driven development approach to ensure code quality … content teams. Collaborate within a cross functional team, partnering with other members of UX/UI team. Troubleshoot and fix bugs identified during development and user testing. Participate in code reviews and provide constructive feedback. We're looking for someone who has: Multiple years of experience user focused front-end development for enterprise products. Has a strong command of … expertise in JavaScript, HTML5, SCSS, tailwind, material UI and CSS3. Demonstrates working knowledge of WCAG and accessibility best practices. Enjoys building reusable UI components and takes pride in clean code architecture. Has experience working with design systems. Is a meticulous individual with a keen eye for detail and a relentless pursuit of perfection. Thrives in a collaborative environment and More ❯
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Senior Systems Engineer - Github

City, London, United Kingdom
Hybrid / WFH Options
IntaPeople
practices. You ll join a newly formed team responsible for building tools and automation that improve how GitHub is managed across the business. The role is hands-on and code-heavy, with a strong focus on GitHub API integration, policy enforcement, and operational tooling. Key Responsibilities: Design and build scalable tools to manage GitHub Enterprise environments. Automate organisation and … repository setup, policy enforcement, and lifecycle management. Develop GitHub Apps and Actions to maintain code quality and security standards. Integrate GitHub with internal systems such as identity providers and compliance tools. Use languages like Go, Python or Java to interact with APIs and develop robust systems. Support adoption of automation and emerging tools like GitHub Copilot (AI … Apps. Background in Ops, Infrastructure or SRE roles with a focus on automation. Familiarity with modern SDLC practices, security tooling, version control and testing frameworks. Experience using Infrastructure as Code tools (e.g. Terraform). Strong problem-solving ability and a proactive mindset. Nice to Have: Hands-on experience with AI developer tools like GitHub Copilot. Knowledge of Docker, Kubernetes More ❯
Employment Type: Contract
Rate: GBP 500 - 600 Daily
Posted:

Senior Systems Engineer - Github

London, Coleman Street, United Kingdom
Hybrid / WFH Options
IntaPeople
practices. You’ll join a newly formed team responsible for building tools and automation that improve how GitHub is managed across the business. The role is hands-on and code-heavy, with a strong focus on GitHub API integration, policy enforcement, and operational tooling. Key Responsibilities: Design and build scalable tools to manage GitHub Enterprise environments. Automate organisation and … repository setup, policy enforcement, and lifecycle management. Develop GitHub Apps and Actions to maintain code quality and security standards. Integrate GitHub with internal systems such as identity providers and compliance tools. Use languages like Go, Python or Java to interact with APIs and develop robust systems. Support adoption of automation and emerging tools like GitHub Copilot (AI … Apps. Background in Ops, Infrastructure or SRE roles with a focus on automation. Familiarity with modern SDLC practices, security tooling, version control and testing frameworks. Experience using Infrastructure as Code tools (e.g. Terraform). Strong problem-solving ability and a proactive mindset. Nice to Have: Hands-on experience with AI developer tools like GitHub Copilot. Knowledge of Docker, Kubernetes More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

Data Scientist

London, United Kingdom
Hybrid / WFH Options
Different Technologies Pty Ltd
Communicating technical content at the right level both internally and to customers. Presenting to the client, using data science tooling and investigation, a 'story' of the data. Building maintainable code that use existing data science libraries, implement existing data science techniques, or implement novel techniques. Designing, evaluating, and implementing on-premise, cloud-based and hybrid data science and machine … GCP). You have demonstrable continuous personal development. You have strong interpersonal skills. You have experience with using CI/CD tooling to analyse, build, test and deploy your code and proven experience in their technologies. You have experience in database technologies (e.g., SQL, NoSQL such as Elasticsearch and Graph databases). You have a good understanding of coding … best practices and design patterns and experience with code and data versioning, dependency management, code quality and optimisation, error handling, logging, monitoring, validation and alerting. Location? Hybrid, with 2-3 days working from Daintta office (London or Cheltenham) or on client site as required. What's in it for you? You will be joining the company More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Enterprise Architect

Edinburgh, Scotland, United Kingdom
Addepar
architects on best practices. Evaluate and select appropriate technologies and frameworks. Ensure the security, scalability and efficiency of our SaaS solutions. Collaborate with product management and business stakeholders. Conduct code reviews and ensure code quality. Troubleshoot and resolve complex technical issues. Who You Are Bachelor's degree in Computer Science or related field. A wealth of experience in More ❯
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Backend Developer (London)

London, England, United Kingdom
Kwiff
managers, and designers to build the technical foundation that powers our unique betting experience. If you’re passionate about clean architecture, system design, and writing high-quality code that scales, apply below! Your Role & Responsibilities Design, develop, and maintain robust backend services using Node.js and a microservices architecture. Build and optimise relational databases, ensuring scalability and data … providers and identity services. Implement thorough unit and integration testing across all codebases. Work with cloud infrastructure (AWS or similar) to deploy, monitor, and maintain services. Participate in peer code reviews, design discussions, and collaborative problem-solving. Contribute to the team’s shared knowledge through documentation, mentoring, and technical leadership. What We’re Looking For You’re a backend … scalable systems, and high standards: Solid experience with Node.js in production environments. Proven background in relational database design and optimisation (MySQL/PostgreSQL). Strong focus on testing and code quality – including unit and integration tests. Experience working with Redis and cloud infrastructure (AWS or similar). Confident working with API integrations and service-to-service communication. More ❯
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Senior Data Engineer

London, United Kingdom
Arbuthnot Latham
day, resolving issues and meeting business requests as they arise within the team's SLAs. The enablement and promotion of Data Engineering best practices and DevOps standards, ensuring good code quality and continuous compliance with all relevant standards. Providing mentorship to junior engineers, helping them enhance their skills and knowledge. Promoting a collaborative environment to deliver and … knowledge, must include substantial PySpark experience Demonstrable DevOps and DataOps experience with an understanding of best practices for engineering, test and ongoing service delivery An understanding of Infrastructure as Code concepts (Demonstrable Terraform experience a plus) Demonstrable experience of Data Pipeline testing, including automated testing, data validation and code assurance Demonstrable experience of working within Agile Delivery projects … in a Medalion Architecture Experience building Semantic, Metric or Analytic models Experience of building Machine Learning models Any experience in MLOps or operationalising Machine Learning Knowledge of Data Quality Frameworks in Python Qualifications: Industry focused degree or equivalent working experience Azure certifications are desirable Developing Others Working Proactively Creativity and Innovation Problem Solving and Judgement Communication and Confidence More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Guidewire Developer

City, London, United Kingdom
Hybrid / WFH Options
Pioneer Search Ltd
with cross-functional teams to gather requirements and deliver solutions. Implement and optimize RESTful APIs and microservices architecture. Participate in Agile development processes and contribute to continuous improvement. Ensure code quality through testing and code reviews. Provide technical support and troubleshooting for production issues. Required Skills and Experience: Strong development skills in Gosu for Guidewire More ❯
Employment Type: Permanent
Salary: GBP 55,000 - 65,000 Annual
Posted:

React Native Developer

Coventry, England, United Kingdom
Avance Consulting
mobile development skills to drive innovation and business value at a retail leader. Your responsibilities: Mobile App Development: Develop, optimize, and maintain React Native apps to deliver high-quality, performant, and scalable mobile experiences. Monitoring & Troubleshooting: Monitor and troubleshoot production mobile applications to ensure performance, reliability, and responsiveness. Team Collaboration: Foster a collaborative and inclusive team environment, encouraging … backend developers to deliver cohesive mobile solutions. Stakeholder Engagement: Engage with business stakeholders to understand requirements and translate them into technical solutions. Quality Assurance: Implement and enforce code quality and testing processes for robust mobile applications. Cloud & Infrastructure Support: Collaborate with cloud platforms like AWS/Azure to integrate backend services and APIs. Continuous Improvement More ❯
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QA Test Analyst Automation (11 month FTC or Day Rate Contractor)

London, England, United Kingdom
Handelsbanken
Contract Job function Job function Quality Assurance Industries Banking Referrals increase your chances of interviewing at Handelsbanken by 2x Tottenham, England, United Kingdom 3 weeks ago Software Quality Assurance Tester (6 month FTC) London, England, United Kingdom 3 days ago Test Analyst (Payments) - Up to £650 P/D - London/Hybrid Greater London, England, United More ❯
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Head of Execution, Trading Execution Engineering

London, England, United Kingdom
Bullish
develop tactical and strategic solutions. Provide L3 support with high-level debugging skills, designing plans to tackle production issues 24x7. Design, build, and maintain efficient, reusable, and reliable Java code, implementing performant and quality modules. Measure and tune Java code and middleware solutions for optimal performance, identifying bottlenecks and devising solutions. Maintain high standards of code quality, organization, and automation. Experience & Qualifications Degree in Computer Science or a related field. 13+ years of experience as a Java backend engineer, with mastery in Java 17+ and key JDK classes/packages, especially Java Collections and Concurrency. Proven experience in architecting trading systems. Solid understanding of trading products like Spot, Margin, and various derivatives. Experience More ❯
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Head of Execution, Trading Execution Engineering (London)

Charlton, England, United Kingdom
Bullish
develop tactical and strategic solutions. Provide L3 support with high-level debugging skills, designing plans to tackle production issues 24x7. Design, build, and maintain efficient, reusable, and reliable Java code, implementing performant and quality modules. Measure and tune Java code and middleware solutions for optimal performance, identifying bottlenecks and devising solutions. Maintain high standards of code quality, organization, and automation. Experience & Qualifications Degree in Computer Science or a related field. 13+ years of experience as a Java backend engineer, with mastery in Java 17+ and key JDK classes/packages, especially Java Collections and Concurrency. Proven experience in architecting trading systems. Solid understanding of trading products like Spot, Margin, and various derivatives. Experience More ❯
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Senior Java Developer (Trading Platform)

London, United Kingdom
P2P
ClickHouse, Kubernetes, and modern CI/CD tooling, with a strong focus on automation, scalability, and performance. AI-assisted development tools are also leveraged to boost productivity and quality across the team. Responsibilities Design and develop core backend systems including market connectivity, order routing, execution engine, risk, and position tracking. Implement ultra-low-latency and GC-free components … performant, production-ready solutions. Participate in performance profiling, JVM tuning, and debugging complex issues in production. Develop and maintain automated test suites and CI/CD pipelines. Engage in code reviews, architecture discussions, and technical audits to ensure high standards across the codebase. Use AI-driven coding tools (e.g., GitHub Copilot or similar) to accelerate development and improve productivity … kdb+ or InfluxDB is a plus. Experience with distributed systems, message queues, and performance tuning at the network and application layer. Comfortable using AI-powered development tools to enhance code quality and development speed. Strong testing discipline including TDD, benchmarking, and resilience testing. Communication and Collaboration Proficient in English (spoken and written); Chinese or other languages are More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior System Engineer

United Kingdom
Arrows
GitHub Tooling & Operations team, and they’re looking for a Senior System Engineer to play a foundational role. You’ll build automation tools, engineer GitHub Apps and Actions, enforce code quality and security policies at scale, and explore how Generative AI (like GitHub Copilot) can transform engineering workflows. If you’re passionate about building the internal platforms More ❯
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Java Microservices Developer

Cardiff
LA International Computer Consultants Ltd
/CD and Automation: * Implementing and managing continuous integration and continuous delivery (CI/CD) pipelines for microservices deployment. * Automating testing and deployment processes to improve efficiency and reliability. Code Quality and Best Practices: * Writing clean, well-documented, and maintainable code. * Following coding standards and best practices for Java development. Participating in code reviews and providing More ❯
Employment Type: Contract
Rate: £450 - £500
Posted:

Senior Java Developer (Trading Platform)

Waltham Cross, England, United Kingdom
Crypto.com
ClickHouse, Kubernetes, and modern CI/CD tooling, with a strong focus on automation, scalability, and performance. AI-assisted development tools are also leveraged to boost productivity and quality across the team. Responsibilities Design and develop core backend systems including market connectivity, order routing, execution engine, risk, and position tracking. Implement ultra-low-latency and GC-free components … performant, production-ready solutions. Participate in performance profiling, JVM tuning, and debugging complex issues in production. Develop and maintain automated test suites and CI/CD pipelines. Engage in code reviews, architecture discussions, and technical audits to ensure high standards across the codebase. Use AI-driven coding tools (e.g., GitHub Copilot or similar) to accelerate development and improve productivity … kdb+ or InfluxDB is a plus. Experience with distributed systems, message queues, and performance tuning at the network and application layer. Comfortable using AI-powered development tools to enhance code quality and development speed. Strong testing discipline including TDD, benchmarking, and resilience testing. Communication and Collaboration Proficient in English (spoken and written); Chinese or other languages are More ❯
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Cloud Platform Engineer - AWS

United Kingdom
Hybrid / WFH Options
mywork
/CD tools (GitLab, Jenkins, CircleCI) Containerisation (Docker, Amazon ECS, ECR) AWS services (EC2, ECS, RDS, S3, SQS, OpenSearch, ElastiCache) Database experience (MySQL, MariaDB, PostgreSQL, MongoDB, DynamoDB) Infrastructure as Code (Terraform) Networking (VPCs, Security Groups, VPN, DNS) Monitoring tools (Sentry, Grafana, Prometheus, CloudWatch) Version control (GitLab) Additional coding languages (Python, JavaScript, Bash, Node.js) Desirable Skills AWS certifications Automated testing … and code quality tools Google Cloud Platform knowledge API management (AWS API Gateway) Contact centre analytics experience Benefits Competitive salary Pension plan Bupa healthcare Flexible benefits platform Remote working - within the UK Career development opportunities, including AWS certification support Don't just find a job – launch an exciting career with a company that's redefining what's More ❯
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Senior Data Engineer

London, England, United Kingdom
Aspect Capital
and time-series databases Experience implementing data pipelines, ideally from major financial market data vendors SDLC and DevOps: Git, Docker, Jenkins/TeamCity, monitoring, testing, agile practices Passionate about code quality, data integrity, and building scalable and robust systems Ability to communicate clearly with technical and non-technical colleagues Job responsibilities Working closely with quantitative developers, researchers More ❯
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Senior UI Developer - BELFAST

Belfast, Northern Ireland, United Kingdom
Synechron
Communicate with backend developers regarding requirements and interactions Ensure proper documentation and help define operating procedures Act as a technical advisor or coach for junior team members to ensure code quality and alignment with project standards Technology Skills: Extensive experience designing and developing large-scale web portals and intranet applications Solid understanding of high-level system analysis More ❯
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Code Quality
10th Percentile
£44,125
25th Percentile
£57,500
Median
£66,215
75th Percentile
£80,188
90th Percentile
£100,000